JSON-RPCMethods

eth_chainId: parameters, returns and CU

Return the EIP-155 chain ID of the current network. See parameters, return value, CU metering and supported chains for this method.

Summary

Return the EIP-155 chain ID of the current network.

Compute Units (CU) and Pricing

CU per call

1 CU

Price per 1M calls (USD)

$0.1

Parameters

This method takes no parameters.

Returns

Type: QUANTITY
Description: Chain ID as a 0x-prefixed hexadecimal quantity (for example 0x1 on mainnet).

Notes

The chain ID is part of EIP-155 transaction signing and stays constant for a network.

Request Example

curl -X POST "https://dev-api.blockvectra.network/v1/robinhood_mainnet" \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: <api_key>' \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_chainId",
    "params": [],
    "id": 1
  }'

Supported Chains

Supported chains:

EthereumBetaeth_mainnet
HyperEVMhyperevm_mainnet
Robinhood Chainrobinhood_mainnet

eth_blockNumber: parameters, returns and CU

Return the number of the latest block known to the node. See parameters, return value, CU metering and supported chains for this method.

eth_gasPrice: parameters, returns and CU

Return the node's suggested current gas price in wei. See parameters, return value, CU metering and supported chains for this method.